PicGo Uploader MCP Server
About
An MCP (Model Context Protocol) server that allows interaction with a running PicGo application to upload images.
Details
- Author
- veithly
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- Uploads one or more images via PicGo’s built-in server.
- Requires PicGo desktop application running with server enabled.
- Default server address: http://127.0.0.1:36677.
- Outputs uploaded image URLs as a JSON string.
- Works on any OS supported by Node.js v18+.
- Simple CLI setup with global npm/yarn installation.
Setting up with Highlight
This MCP is not yet compatible with Highlight’s one-click setup. However, you can still use it with Highlight by following these steps:
- Download and install Highlight from highlightai.com/download
- Navigate to the plugins tab and select "Add Custom Plugin"
-
Configure the plugin with the settings below
Plugin Name
PicGo Uploader MCP ServerCommand (node, npx, python, etc.)Please refer to the README for specific instructions on how to obtain API keys or other required environment variables.
- Enable "Start Automatically" if you want the plugin to start when Highlight launches
From the repository
Install globally with npm install -g picgo-uploader or yarn global add picgo-uploader, then run the picgo-uploader command. The server listens on stdio and provides the upload_image_via_picgo tool, which accepts an array of absolute image paths.
upload_image_via_picgo
Uploads one or more images using the running PicGo server application.
Claude Desktop / Cursor
Paste into your MCP client config file to install this server.
{
"mcpServers": {
"picgo uploader mcp server": {
"picgo-ipfs-uploader": {
"command": "npx",
"args": [
"picgo-uploader"
],
"disabled": false,
"alwaysAllow": [
"upload_image_via_picgo"
]
}
}
}
}
McpServers
{
"picgo-ipfs-uploader": {
"command": "npx",
"args": [
"picgo-uploader"
],
"disabled": false,
"alwaysAllow": [
"upload_image_via_picgo"
]
}
}
PicGo Uploader MCP Server
An MCP (Model Context Protocol) server that allows interaction with a running PicGo application to upload images.
Overview
This server exposes PicGo's image uploading capabilities as an MCP tool. It connects to the PicGo application's built-in server (usually running on http://127.0.0.1:36677) and provides a tool to upload local image files.
Prerequisites
1. Node.js: Ensure you have Node.js (v18 or later recommended) installed.
2. PicGo Application: You need the PicGo desktop application installed and running.
3. PicGo Server Enabled: In PicGo's settings (PicGo 设置 -> 设置Server), enable the server. The default port is 36677. Make sure it's running.
4. NPM or Yarn: For installing the package.
Installation
npm install -g picgo-uploader
or
yarn global add picgo-uploader
This will install the MCP server globally and make the picgo-uploader command available.
Running the Server
Simply execute the command in your terminal:
picgo-uploader
The server will start and listen for MCP connections via stdio. You should see a message like:
PicGo Uploader MCP server running on stdio
Keep this terminal window open while you want to use the server.
Usage (MCP Tool)
Once the server is running and connected to your MCP client (like Roo Code), you can use the provided tool:
Tool: upload_image_via_picgo
Description: Uploads one or more images using the running PicGo server application.
Input Schema:
{
"type": "object",
"properties": {
"image_paths": {
"type": "array",
"items": {
"type": "string"
},
"description": "An array of absolute paths to the image files to upload."
}
},
"required": ["image_paths"]
}
Output: On success, returns a JSON string containing the array of uploaded image URLs provided by PicGo. On failure, returns an error message.
Example (use_mcp_tool):
<use_mcp_tool>
<server_name>picgo-uploader</server_name>
<tool_name>upload_image_via_picgo</tool_name>
<arguments>
{
"image_paths": [
"C:\\Users\\YourUser\\Pictures\\screenshot1.png",
"/home/user/images/diagram.jpg"
]
}
</arguments>
</use_mcp_tool>
Note: Ensure the file paths provided in image_paths are absolute paths accessible from the machine where the picgo-uploader server is running.
Troubleshooting
Error: "PicGo server request error: connect ECONNREFUSED 127.0.0.1:36677":Make sure the PicGo application is running.
Verify that the PicGo server is enabled in its settings and running on the default port
36677.Error: "Image path does not exist: <path>":
Double-check that the provided image path is correct and absolute.
Ensure the file exists at the specified location on the machine running the
picgo-uploader.Error: "PicGo upload failed: ...":
* This indicates an error reported by PicGo itself (e.g., invalid configuration for the selected uploader, network issues). Check the PicGo application logs for more details.
Development
1. Clone the repository.
2. Install dependencies: npm install
3. Build the code: npm run build
4. Run in development: node build/index.js
5. Watch for changes: npm run watch (in a separate terminal)
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